diff --git a/CHANGELOG.md b/CHANGELOG.md
index 861a3f2b..bd0f0f43 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@ Lines marked **Upgrade step** need you to act after updating.
 
 ## [Unreleased]
 
+### Fixed
+
+-   No more PHP 8.5 deprecation warning for the MySQL SSL option on container start. (#298)
+
 ## [2.3.0] - 2026-10-22
 
 All Docker installs should update: the image moves to PHP 8.5.12 for the October 2026 PHP security fixes. This release also rebuilds the form editor as one document. It has 2 upgrade steps, marked **Upgrade step** below.
diff --git a/config/database.php b/config/database.php
index bd03ac91..eee86f21 100644
--- a/config/database.php
+++ b/config/database.php
@@ -59,7 +59,7 @@
             'strict' => true,
             'engine' => null,
             'options' => extension_loaded('pdo_mysql') ? array_filter([
-                PDO::MYSQL_ATTR_SSL_CA => env('MYSQL_ATTR_SSL_CA'),
+                (PHP_VERSION_ID >= 80500 ? \Pdo\Mysql::ATTR_SSL_CA : \PDO::MYSQL_ATTR_SSL_CA) => env('MYSQL_ATTR_SSL_CA'),
             ]) : [],
         ],
     ],